/Engine/Source/Editor/DataLayerEditor/Public/DataLayer/DataLayerEditorSubsystem.h
Removes the selected actors from the DataLayer.
true if at least one actor was added. false is returned if all selected actors already belong to the DataLayer.
bool RemoveSelectedActorsFromDataLayer ( [UDataLayerInstance](API\Runtime\Engine\WorldPartition\DataLayer\UDataLayerInstance) * DataLayer )